Document Type and Number:
Japanese Patent JPS4998221
Kind Code:
U
Application Number:
JP14433372U
Publication Date:
August 23, 1974
Filing Date:
December 18, 1972
Export Citation:
International Classes:
E04B1/343; B64F1/30; B64F1/305; E01C5/16; E01C9/08; E01D15/00; E04B1/34; E04G1/15; E04G1/34; (IPC1-7): E04G1/15; E01C9/08; E01D15/00; E04B1/34